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Faisabilité changement PO

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Bonjour,

j'ai un newton de 150/750 avec PO 1.25", j'aimerais savoir s'il serait possible et valable de passer le PO en 2".

Je ne parle pas des modifications au niveau bricolage, mais de la faisabilité optique.
Comment savoir?

Merci

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Bonjour.

Il faut que tu calcules le champ de pleine lumière. Avec le même tube (acheté en 2002) je trouvais un peu moins de 0.5°, donc pas la peine de passer en 2 pouce.

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